300MB – 600MB (Zipped). Extracted ISO size ~ 800MB – 1.2GB.
Always use the latest version of the emulator from the official site to ensure modern fixes are applied.
It is important to clarify that an official version of Call of Duty: Black Ops 2
Textures may be replaced to include Black Ops 2 logos, weapons, or UI elements, but the engine remains extremely dated compared to the original console versions .
If you want a high-quality Call of Duty experience on your phone, these are the verified options: Call of Duty: Mobile
That said, here’s a for what you can actually play on PPSSPP, plus how to avoid fake files.
emulator reveals that an official version of this game for the PlayStation Portable (PSP) does not exist